Anukruti Asked a Question
January 25, 2021 9:53 ampts 30 pts
  • 3 Answer(s)
  • like-1
  • 1 Likes
  • 3 Comments
  • Shares
  • Rahul kumar thankyou
    t1/2 of 40K is 1.3 Byrs; Fraction of parent Isotope and daughter Isotope given is 25%/75% = 1/3; Number of parent Isotope / Number of daughter Isotope = 1/3; So, two half lifes mus...
    Show more
    Likes(0) Reply(0)
  • Saurabh shukla thankyou
    Please find solution below...
    • cropped7473048778359089793.jpg
    Likes(1) Reply(0)
  • Sajan sarthak Best Answer
    2.6* 10^9 year
    • cropped6696030297686621189.jpg
    • cropped771642165991398322.jpg
    Likes(0) Reply(0)